# ZapTodo vs ByteSize

The clearest difference is in-app purchases: ByteSize at none against ZapTodo's 3. ZapTodo's advantage is ads (none vs shown) and update cadence (every 2 days vs every 6 days). On price and device support there is nothing between them.

Both are free to download. ZapTodo sells 3 in-app purchases, starting at $1.99 per 7 days. ByteSize asks for nothing beyond the download.

ZapTodo ships an update every 2 days, ByteSize every 6 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ZapTodo | ByteSize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 85 MB | 28 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yusof Feroz Yusof Ahmed Khan](https://appshunter.io/developer/1824808218) | [Playful Souls](https://appshunter.io/developer/1183816191) |

## What reviewers say

### ZapTodo

[App page](https://appshunter.io/ios/app/zaptodo-to-do-list-and-planner/id6748696965)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |


### ByteSize

[App page](https://appshunter.io/ios/app/bytesize-break-down-goals/id6779734995)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZapTodo free?

ZapTodo is free to download, with in-app purchases available.

### Is ByteSize free?

ByteSize is free to download, with no in-app purchases.

### Do ZapTodo or ByteSize have ads?

ByteSize shows ads; ZapTodo does not.

### Which is updated more often, ZapTodo or ByteSize?

ZapTodo ships an update every 2 days, and ByteSize every 6 days. Most recently, ZapTodo was updated on October 16, 2026 and ByteSize on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*